The Saint Laurent Envelope Medium in Matelassé Lambskin blends timeless elegance with modern edge. Black chevron-and-diamond quilted leather meets a subtle gold Cassandre plaque and chain strap, creating a refined, versatile statement piece. black vertical chevron and diamond-quilted overstitching front gold-metal cassandre plaque gold-metal chain and leather shoulder strap flap with magnetic press stud closure back press stud pocket